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pageserver: Introduce config to enable/disable eviction task (#12496)

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## Problem
We lost capability to explicitly disable the global eviction task (for
testing).

## Summary of changes
Add an `enabled` flag to `DiskUsageEvictionTaskConfig` to indicate
whether we should run the eviction job or not.
This commit is contained in:
Trung Dinh
2025-07-08 14:14:04 -07:00
committed by GitHub
parent 09ff22a4d4
commit 4dee2bfd82
5 changed files with 103 additions and 32 deletions
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4
pageserver/src/disk_usage_eviction_task.rs
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@@ -171,7 +171,8 @@ pub fn launch_disk_usage_global_eviction_task(
tenant_manager: Arc<TenantManager>,
background_jobs_barrier: completion::Barrier,
) -> Option<DiskUsageEvictionTask> {
let Some(task_config) = &conf.disk_usage_based_eviction else {
let task_config = &conf.disk_usage_based_eviction;
if !task_config.enabled {
info!("disk usage based eviction task not configured");
return None;
};
@@ -1268,6 +1269,7 @@ mod filesystem_level_usage {
#[cfg(feature = "testing")]
mock_statvfs: None,
eviction_order: pageserver_api::config::EvictionOrder::default(),
enabled: true,
},
total_bytes: 100_000,
avail_bytes: 0,